890221328

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{178903}}^1$

素因数の和:179222

約数の個数: 20

約数和(自身を含む): 1730359488

約数和(自身を除く): 840138160

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 178903, 357806, 715612, 1431224, 2862448, 55638833, 111277666, 222555332, 445110664, 890221328]

約数ペア:

[(1, 890221328), (2, 445110664), (4, 222555332), (8, 111277666), (16, 55638833), (311, 2862448), (622, 1431224), (1244, 715612), (2488, 357806), (4976, 178903)]